I've worked a little on gas industry, and I can tell you that cilinders have a serial number and normally a company can tell where is one of their bottles. Other think is that they don't want to search it. The refill of the bottles usually has troubles in very hot days, because the gas is hot, and ...

I haven't TIG welded in my whole life but for what i have read arround here, TIG welding aluminum difficulty is only surpassed by TIG welding titaniums. You stated to be trying to weld aluminum... why don't you just start trying with a bit more forgiving material, say... carbon steel? That way whate...

....I have noticed that these little "pocket welders" are very popular and that almost all of them are designed to TiG weld.....you only need 80 AMPS max output to do Stainless steel up to 3/16".....you can get a TiG lead and regulator as cheap as $40.00 from a few online sales compa...

Hello all, I have been welding stuff for a while but the more I read, the more I realise I still have to learn a lot. I plan on making something like this: http://img257.imageshack.us/img257/6136/01situacininicial.jpg http://img69.imageshack.us/img69/6660/02mecanizadosuelo.jpg http://img153.imagesha...